FOUS51 KLWX 092102 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 501 PM EDT Thu Jul 9 2026 VAZ054-100800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 501 PM EDT Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 91 73 86 70 Temp 78 75 75 74 75 83 88 87 82 77 75 74 75 79 82 82 79 74 72 70 72 Dewpt 73 74 73 71 72 73 71 71 71 74 73 72 72 72 71 70 69 70 69 67 67 RH 85 97 94 90 90 72 57 59 69 90 94 93 90 79 69 67 72 87 90 90 84 Wind dir SW SW W W W W W SW SW SW W N N NW NW N N NE N N NE Wind spd 5 5 6 8 8 9 9 9 6 4 6 6 6 8 8 8 8 6 8 8 9 Clouds B2 SC SC FW FW SC SC B1 B1 B2 B2 B2 OV B1 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 40 50 40 70 20 QPF 12hr 0.01 0.03 0.18 0.12 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C S S S C C L L S S Tstms C C C S S C C S Heat index 89 94 93 86 86 86 Max heat 87 94 94 86 87 Svr Tstorm A Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 68 84 67 88 71 95 75 95 Temp 83 78 69 71 81 79 69 70 85 83 73 74 92 89 78 77 92 90 Dewpt 64 63 64 65 60 60 63 64 61 62 65 66 64 64 66 66 63 64 PWind dir E E E S SW SW W NW W Wind char GN LT LT LT LT GN GN GN GN Avg clouds B1 B1 SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 5 5 0 0 0 5 5 10 $$ MDZ013-100800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 501 PM EDT Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 92 71 86 68 Temp 77 75 74 72 75 86 90 89 82 76 74 73 73 81 84 84 79 73 70 69 71 Dewpt 74 75 73 72 73 75 74 73 74 74 73 72 73 73 73 72 71 70 69 67 68 RH 90100 97100 94 70 60 59 77 94 97 97100 77 70 67 77 90 97 93 90 Wind dir S SW W W W W W W SW W W N N N N N N NE NE NE NE Wind spd 2 2 3 4 4 5 8 6 3 2 2 2 3 4 5 6 3 3 3 4 4 Clouds OV B1 SC FW SC SC B1 B2 B2 B1 OV B2 OV B1 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 40 50 40 70 20 QPF 12hr 0.01 0.05 0.13 0.10 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C S S S C C L L S S Tstms C C C S S C C S Heat index 95 99 97 88 86 90 90 Max heat 99 101 90 92 Coast Flood Y Y Flood A Svr Tstorm A Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 67 85 66 88 70 95 74 95 Temp 84 80 70 71 83 80 69 71 87 83 73 74 93 89 77 77 93 88 Dewpt 65 65 65 67 61 63 64 66 64 66 65 68 68 69 67 68 66 68 PWind dir E SE E S SW SW W NW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC FW FW FW FW FW FW FW SC SC FW PoP 12hr 5 0 0 0 0 0 5 5 10 $$ MDZ011-100800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 501 PM EDT Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 93 73 87 70 Temp 78 76 75 74 76 86 91 90 84 77 75 74 75 82 85 85 80 74 72 70 72 Dewpt 74 73 73 71 71 72 71 70 72 72 72 71 71 71 69 68 69 69 68 66 65 RH 88 90 94 90 85 63 52 52 67 85 90 90 87 69 59 57 69 84 87 87 79 Wind dir N W W W W W W W W NW W N N N N N N NE N N NE Wind spd 2 1 2 3 3 5 8 6 3 1 2 2 2 4 5 6 3 2 2 3 3 Clouds OV B1 SC FW FW SC B1 B2 B1 B1 OV OV OV B1 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 40 50 40 60 20 QPF 12hr 0.01 0.08 0.21 0.13 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C S S S C C L L S S Tstms C C C S S C C S Heat index 92 98 96 90 86 89 88 83 Max heat 86 98 98 85 89 88 Flood A Svr Tstorm A Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 69 86 68 89 73 96 75 95 Temp 85 81 70 72 84 81 71 72 87 84 74 76 94 89 78 77 93 90 Dewpt 61 62 64 64 57 60 62 63 61 63 64 66 65 66 66 66 63 66 PWind dir E SE E S SW SW W NW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW SC SC SC PoP 12hr 5 0 0 0 0 0 5 5 10 $$ WVZ052-100800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 501 PM EDT Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 88 67 83 63 Temp 78 73 71 70 73 82 86 84 78 73 71 69 71 77 81 81 77 70 67 64 68 Dewpt 72 71 69 68 70 71 70 70 71 71 71 69 70 70 70 69 69 68 66 63 63 RH 82 93 93 93 90 69 59 63 79 93100100 97 79 69 67 76 93 97 97 84 Wind dir N W W SW W W W W W N W NW NW NW N N N N N N N Wind spd 0 3 3 3 3 6 8 5 2 0 1 1 3 5 6 5 2 0 4 4 4 Clouds B2 B2 SC FW SC B1 B2 B1 B1 B2 B2 OV B2 B1 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 20 60 40 70 20 QPF 12hr 0 0.08 0.09 0.18 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L C S S S C C L L S S Tstms S S C C S C C C S Heat index 86 91 88 85 84 Max heat 91 92 85 85 Flood Svr Tstorm A Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 62 83 62 88 66 94 69 93 Temp 81 76 65 68 81 78 65 67 86 82 70 72 92 87 73 74 91 87 Dewpt 63 64 63 63 60 61 60 62 61 64 63 65 65 67 67 67 63 64 PWind dir E SE SE S W SW NW NW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC FW FW CL FW FW FW FW FW FW SC SC SC PoP 12hr 10 5 5 0 0 0 5 5 10 $$ VAZ506-100800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 501 PM EDT Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 90 69 84 65 Temp 77 73 72 71 74 83 88 86 80 75 73 71 72 78 82 82 78 72 69 66 69 Dewpt 74 73 72 70 72 75 75 75 75 73 72 71 72 75 75 74 73 70 69 66 67 RH 90100100 97 93 77 66 70 85 94 97100100 91 79 77 85 93100100 93 Wind dir W SW W W W W W SW SW W W NW N NW NW N N N N N N Wind spd 2 2 3 3 3 5 6 5 2 1 2 3 3 5 6 5 3 2 2 3 4 Clouds B2 SC SC SC SC SC B1 B1 B2 B2 OV OV B2 B1 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 30 50 40 70 20 QPF 12hr 0 0.05 0.04 0.13 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S S C C L L S S Tstms S C C S S C C S Heat index 90 98 95 85 89 88 Max heat 84 98 99 89 89 Flood A Svr Tstorm A Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 64 84 63 88 67 94 71 94 Temp 82 77 67 69 82 78 67 68 86 82 71 72 92 88 75 75 92 88 Dewpt 68 67 65 66 64 64 63 65 65 66 64 67 68 69 67 68 67 68 PWind dir E SE E S SW SW W NW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 SC SC SC SC CL FW FW FW FW FW FW SC SC FW PoP 12hr 10 0 5 0 0 0 5 5 10 $$ VAZ037-100800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 501 PM EDT Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 90 70 85 66 Temp 81 74 72 70 72 85 88 87 81 75 73 72 72 80 83 81 77 72 69 67 69 Dewpt 71 71 70 68 70 70 69 69 71 71 71 70 71 71 71 70 70 70 69 67 67 RH 72 90 93 93 93 61 54 55 72 87 93 93 97 74 67 69 79 93100100 93 Wind dir NW N SW SW SW SW SW W S N N N N N NW N N N N N N Wind spd 1 0 3 3 3 4 5 6 3 0 0 0 0 0 4 3 0 0 3 5 6 Clouds SC SC FW FW FW SC B1 B1 SC OV B2 B2 B1 B2 B2 B2 B1 B1 B1 B2 B1 PoP 12hr 10 70 40 80 30 QPF 12hr 0 0.04 0.02 0.40 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C S S C C D D C C S S S Tstms C C S S C C S Heat index 85 90 92 91 85 83 88 85 Max heat 95 92 94 88 88 Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 64 82 63 87 65 94 69 94 Temp 81 76 66 67 81 77 65 67 85 81 68 70 92 87 72 73 92 88 Dewpt 65 65 64 64 60 62 61 62 60 64 62 64 63 66 66 67 65 66 PWind dir NE NE E E SE N W W W Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 40 10 10 5 0 5 5 5 10 Rain shwrs S C Tstms C $$ MDZ003-100800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 501 PM EDT Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 87 67 83 63 Temp 80 73 71 69 72 81 85 84 79 73 72 69 71 77 81 81 77 71 67 64 68 Dewpt 72 72 70 68 70 73 73 73 73 72 71 69 70 71 71 70 70 67 64 61 63 RH 77 97 97 97 93 77 67 70 82 97 97100 97 82 72 69 79 87 90 90 84 Wind dir SW SW SW S SW W W W W NW W N N N N N N N N N NE Wind spd 3 2 2 2 3 5 6 5 3 2 2 2 3 4 5 5 3 3 5 5 5 Clouds B2 SC SC SC B1 B1 B2 B1 B2 B2 B2 B2 B2 B1 B2 B2 SC B1 B1 B1 B1 PoP 12hr 20 60 40 60 10 QPF 12hr 0.01 0.02 0.25 0.11 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L C S S S C C L L Tstms S C C S S C C Heat index 84 86 92 90 85 85 Max heat 88 92 93 85 86 Flood Svr Tstorm A Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 63 84 63 88 67 94 69 93 Temp 81 78 67 68 81 79 67 68 86 83 71 72 92 87 74 74 90 87 Dewpt 65 66 63 64 63 64 61 63 64 66 64 66 68 68 67 67 65 66 PWind dir E SE SE S SW SW W NW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 10 0 0 0 0 0 5 5 10 $$ MDZ017-100800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 501 PM EDT Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 97 75 90 72 Temp 78 76 76 75 80 89 95 95 87 80 78 77 79 84 86 86 81 77 74 73 77 Dewpt 74 74 75 74 75 73 72 72 73 74 74 74 75 74 73 72 72 71 71 71 71 RH 88 94 97 97 85 59 48 48 63 82 88 90 88 72 65 63 74 82 90 93 82 Wind dir W W W W W W SW S S SW W W N N N N N N N NE NE Wind spd 4 3 5 5 5 5 5 6 4 3 4 4 4 5 6 6 5 5 5 6 9 Clouds OV B1 FW FW FW FW FW SC B2 SC B2 B2 B1 B1 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 80 50 40 70 40 QPF 12hr 0.07 0.04 0.02 0.47 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs D C C C C S S S C C L L C C S S Tstms L C C S S C C C Heat index 85 97104104 94 84 91 93 92 85 Max heat 97 85 104 105 89 93 94 Svr Tstorm A Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 71 84 70 87 72 93 77 93 Temp 87 78 73 75 81 79 71 74 84 81 74 76 90 87 79 79 90 87 Dewpt 65 63 65 66 60 61 64 66 62 63 66 68 66 67 68 69 68 69 PWind dir NE E E SE SE SW W W SW Wind char GN LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 B1 SC SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 5 5 0 5 0 5 5 10 $$ WVZ502-100800- Petersburg WV 38.99N 79.15W Elev. 963 ft 501 PM EDT Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 88 65 83 60 Temp 77 70 67 66 69 81 85 84 77 71 69 67 68 76 80 80 75 68 65 61 64 Dewpt 71 69 67 66 68 70 71 72 71 69 68 67 68 72 73 72 70 68 65 61 64 RH 82 97100100 97 69 63 67 82 93 97100100 87 79 77 84100100100100 Wind dir SW SW S S SW W W W S SW SW N N NW N N N N N NE NE Wind spd 2 2 2 2 2 3 4 5 2 1 1 0 0 1 2 3 2 1 0 1 1 Clouds B1 B1 SC SC B1 B1 B1 B2 B2 OV B2 B2 B2 B2 OV OV B1 B1 B1 B2 B2 PoP 12hr 20 70 40 80 30 QPF 12hr 0.01 0.02 0.24 0.42 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L C C C C L L D D C C S Tstms S S C C S C C C S Heat index 85 90 90 84 84 Max heat 90 91 84 84 Flood Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 60 84 60 89 63 93 65 92 Temp 82 75 63 64 82 77 63 65 86 81 66 68 91 84 69 70 90 83 Dewpt 66 66 62 64 63 65 60 62 63 67 62 64 67 70 66 67 67 69 PWind dir E SE SE S N W W W W Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 30 5 10 0 5 0 5 5 20 Rain shwrs S C S S Tstms C S $$ MDZ014-100800- Annapolis MD 38.99N 76.49W Elev. 7 ft 501 PM EDT Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 93 74 86 72 Temp 79 76 76 75 78 88 92 91 85 78 77 76 77 84 86 86 81 76 74 72 75 Dewpt 74 76 75 73 72 74 74 72 74 75 75 73 73 73 72 70 71 72 71 69 68 RH 85100 97 94 82 63 56 54 70 91 94 90 87 70 63 59 72 87 90 90 79 Wind dir SW N W W W W W SW S N N N N N N N N NE NE NE NE Wind spd 3 0 3 5 5 6 8 8 3 0 0 1 4 6 8 8 5 3 4 6 6 Clouds OV B1 FW FW FW FW SC B1 B1 B2 OV B2 B2 B1 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 50 40 70 20 QPF 12hr 0.01 0.07 0.13 0.18 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C S S S C C L L S S Tstms C S C C S S C C S Heat index 97102 99 93 90 92 91 85 Max heat 90 102 102 86 93 91 Coast Flood Y Y Flood A Svr Tstorm A Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 70 86 69 88 73 95 76 94 Temp 86 82 72 74 84 81 71 73 87 84 74 77 94 89 80 80 93 89 Dewpt 65 66 66 67 62 64 65 66 66 67 67 68 71 71 69 69 70 71 PWind dir E E E S SW SW W W W Wind char GN LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC FW SC SC FW FW FW FW FW FW FW FW SC FW PoP 12hr 5 0 0 0 0 0 5 5 10 $$